diff --git a/src/doc/unstable-book/book.toml b/src/doc/unstable-book/book.toml
new file mode 100644
index 0000000000000..5534340f0db16
--- /dev/null
+++ b/src/doc/unstable-book/book.toml
@@ -0,0 +1,2 @@
+[book]
+title = "The Rust Unstable Book"